// Copyright (C) Kumo inc. and its affiliates.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//

#include <benchmark/benchmark.h>

#include <nebula/compute/api_scalar.h>
#include <tests/compute/kernels/test_util.h>
#include <nebula/testing/ktest_util.h>
#include <nebula/util/benchmark_util.h>

namespace nebula {
namespace compute {

static void RandomKernel(benchmark::State& state, bool is_seed) {
  const int64_t length = state.range(0);
  const auto options =
      is_seed ? RandomOptions::FromSeed(42) : RandomOptions::FromSystemRandom();
  for (auto _ : state) {
    ABORT_NOT_OK(call_function("random", ExecBatch({}, length), &options).status());
  }
  state.SetItemsProcessed(state.iterations() * length);
}

static void RandomKernelSystem(benchmark::State& state) {
  RandomKernel(state, /*is_seed=*/false);
}

static void RandomKernelSeed(benchmark::State& state) {
  RandomKernel(state, /*is_seed=*/true);
}

void SetArgs(benchmark::internal::Benchmark* bench) {
  for (int64_t length : {1, 64, 1024, 65536}) {
    bench->Arg(length);
  }
}

BENCHMARK(RandomKernelSystem)->Apply(SetArgs);
BENCHMARK(RandomKernelSeed)->Apply(SetArgs);

}  // namespace compute
}  // namespace nebula
